SSM2167Z-EVAL Analog Devices Inc, SSM2167Z-EVAL Datasheet - Page 2

• Manufacturer Part Number: SSM2167Z-EVAL
• Description: BOARD EVAL FOR SSM2167
• Manufacturer: Analog Devices Inc

Specifications of SSM2167Z-EVAL

• Main Purpose: Audio, Microphone Pre-Amp
• Embedded: No
• Utilized Ic / Part: SSM2167
• Primary Attributes: Variable Compression, Noise Gating, 0.2% THD + N, Adjustable Compression Ratio
• Secondary Attributes: Automatic Limiting Feature prevents ADC Overload, 3 V (2.5 ~ 5.5 V)
• Silicon Manufacturer: Analog Devices
• Application Sub Type: Microphone Preamplifier
• Kit Application Type: Audio / Video / TV
• Silicon Core Number: SSM2167
• Kit Contents: Board
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SSM2167
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Pin Configuration ............................................................................. 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 4
Typical Performance Characteristics ............................................. 5
Applications Information ................................................................ 8
REVISION HISTORY
2/11—Rev. E to Rev. F
Added Storage Temperature Range Parameter to Table 2 ........... 4
Deleted Figure 15; Renumbered Figures Sequentially ................. 7
Change to Level Detector Section and Figure 17 ......................... 9
Updated Outline Dimensions ....................................................... 11
6/09—Rev. D to Rev. E
Change to Signal Path Section ........................................................ 8
Updated Outline Dimensions ....................................................... 11
2/09—Rev. C to Rev. D
Changes to Figure 4, Figure 5, Figure 6, and Figure 7 ................. 5
Changes to Ordering Guide .......................................................... 11
11/07—Rev. B to Rev. C
Updated Format .................................................................. Universal
Changes to PSRR .............................................................................. 3
Updated Outline Dimensions ....................................................... 11
Changes to Ordering Guide .......................................................... 11
Thermal Resistance ...................................................................... 4
ESD Caution .................................................................................. 4
Rev. F | Page 2 of 12
Outline Dimensions ....................................................................... 11
9/03—Rev. A to Rev. B
Deleted SSM2167-2 Model ................................................ Universal
Changes to Ordering Guide ............................................................. 3
Edits to Figure 2 and Figure 3 .......................................................... 6
Updated Outline Dimensions .......................................................... 9
3/02—Rev. 0 to Rev. A
Edits to Specifications ....................................................................... 2
Edits to Figure 2 and Figure 3 .......................................................... 6
7/01—Revision 0: Initial Version
Theory of Operation .....................................................................8
Signal Path ......................................................................................8
Level Detector ................................................................................9
Control Circuitry ...........................................................................9
Setting the Compression Ratio ....................................................9
Setting the Noise Gate Threshold (Downward Expansion) . 10
Rotation Point (Limiting) .......................................................... 10
Shutdown Feature ....................................................................... 10
PCB Layout Considerations ...................................................... 10
Ordering Guide .......................................................................... 11